Has Pakistan Achieved Herd Immunity Against COVID19?
How widespread are coronavirus infections and vaccinations in Pakistan? Has Pakistan achieved herd immunity or close to achieving it? The latest IHME (Institute for Health Metrics and Evaluation) report on Pakistan (dated August 19, 2021) claims that "about 81% of the population have been infected, and about 65% are immune to the Delta variant". It says that the "cases and deaths are declining in Pakistan, but the situation remains fragile".
The report defines two types of coronavirus variants: escape and non-escape. The escape variants include Beta (B.1.351), Gamma (P.1) and Delta (India) variants while non-escape variants are the original ancestral virus and Alpha (UK) variant. The report projects Pakistan reaching 75% to 90% immunity to various COVID19 variants through a combination of infections and vaccinations by the end of 2021.
Immunity to COVID Variants in Pakistan. Source: IHME |
The IHME August 19 COVID19 results briefing on Pakistan also warns: "If mobility increases and mask wearing declines as cases are declining (people let down their guard), cases could surge again". Here is the summary of the IHME report:
"Cases and deaths are declining in Pakistan, but the situation remains fragile. We estimate that about 81% of the population have been infected, and about 65% are immune to the Delta variant (accounting for cross-variant protection). If mobility increases and mask wearing declines as cases are declining (people let down their guard), cases could surge again."
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Comments
"Most of us have been infected naturally and this produces robust immunity which lasts years. There is evidence that immunity gained from natural infection would last a lifetime. I hope immunity from vaccination also lasts that long."
https://timesofindia.indiatimes.com/city/bengaluru/third-covid-wave-is-stretch-of-someones-imagination-top-epidemiologist/articleshow/85676611.cms
Dr Jayaprakash Muliyil categorically ruled out the need for booster doses (of COVID vaccine).
https://twitter.com/haqsmusings/status/1435749980178829316?s=20